Home / 103,629.10-155,439.87-33,506.50

Finding the Fourth Proportional to 103,629.10, 155,439.87 and 33,506.50

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Solution

The fourth proportional to 103,629.10, 155,439.87 and 33,506.50 is: 50,258.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,629.10 : 155,439.87 = 33,506.50 : x
  2. Step 2: Convert to fraction form
    103,629.10/155,439.87 = 33,506.50/x
  3. Step 3: Cross multiply
    103,629.10x = 155,439.87 × 33,506.50
  4. Step 4: Simplify right side
    103,629.10x = 5,208,246,004.16
  5. Step 5: Solve for x
    x = 5,208,246,004.16/103,629.10
  6. Step 6: Final answer
    x = 50,258.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.